Friendly Tips:
-All the game accessories or R4 flashcards from us are 100% ORIGINAL and TESTED to work fine before shipping out
-All of our flashcards are pre-updated already to support your lasted DS/DSL/DSI/3DS
-All products which marked with "Free Shipping" are free shipping by Registered Airmail to worldwide.

How to upgrade DSTWO firmware?Step 1: Download the firmware..Step 2: Unzip and copy the upgrade file such as "dstwoupdate.dat" to MicroSD.Step 3: Make sure you have DSTWO EOS system in your MicroSD, if you don't have, please download: DSTWO EOS v1.11(2012-12-12).Step 4: Find a DS console (NDSDSDSLiteDSi3DS) which can run this EOS system, if you have the latest version console can not run EOS system, sorry, you have to find one.Step 5: Turn on the power, EOS will detect the upgrade file, press A to upgrade.